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单词
phosphoric acidkieselguhr catalyst
释义
phosphoric acidkieselguhr catalyst
n.
磷酸硅藻土催化剂
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downhole engine pump
downhole equipment
downhole explosion
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downhole gas separator
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downhole ground
down-hole hammer
downhole hanger
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down-hole impacting means (hammer)
downhole instrument
downhole measurement
downhole method
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更新时间:2025/5/10 0:39:58